Electronics Forum | Wed Dec 21 17:11:58 EST 2011 | davef
Kim: We understand what you're saying. For us, fluxing the BGA and activating the flux are the issues. * If you're squirting liquid flux under the BGA with a plastic bottle with a needle tip on it and then reflowing less than the whole board with a
Electronics Forum | Sat Dec 24 19:39:43 EST 2011 | dontfeedphils
I've reflowed many different size BGA's in an effort to better the connection and to help the board pass functional test. Using a middle of the road liquid flux and a convection spot rework machine and almost every time I would reflow a failed board
Electronics Forum | Thu Dec 22 06:46:01 EST 2011 | rameshraja
Dear All, We are doing PCBA's manufacturing,Inprocess we are doing manual soldering, reflow and wave soldering process, As per ISO-7.5.2 Process validation ( Special process ) Soldering process is considered as an special process, hence in order to
Electronics Forum | Sat Jul 13 09:56:45 EDT 2013 | davef
Look here for guidelines http://www.sensata.com/supplier/pdf/CQI-17_Soldering_System_Assessment.pdf Special processes" refer to processes that produce outputs whose output cannot be verified before being released to the customer. These products and
Electronics Forum | Thu Dec 29 15:07:11 EST 2011 | cbeneat
My Company has 3 XPM2 Vitronics reflow ovens, one new in 06, one new in 08 and one new in 10. They have all been relatively trouble free over the last 6 years, however recently I'm seeing a white powdery substance on my filters, for the two oldest(s
Electronics Forum | Tue Jan 03 11:01:19 EST 2012 | julie331975
We are working with .065" thick metal core PCB's. I have a couple boards that are in need of rework. The components we are placing are similar to a SOJ package with a solder pad underneath the component. We are also using a lead free process. I have
Electronics Forum | Thu Jan 05 15:53:07 EST 2012 | davef
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Electronics Forum | Tue Jan 03 21:23:06 EST 2012 | atpico
I’ve got a MPI M500 pick and place and I want to get the best out of it. I started to restore it with fair results. What is the story of this company MPI M&M Products Inc? Are still there lost or old stock components and shops which will maintain the
Electronics Forum | Thu Jan 12 17:42:55 EST 2012 | warwolf
yeah we are getting quotes on a new solder pot, we have used that paint we tested a small sample of it with solder and it seems to be ok, we are doing a full solder alloy change in about two months so we will have a chance to inspect the solder pot a
Electronics Forum | Fri Jan 06 05:03:11 EST 2012 | richieoreilly
Hi All, Just wondering if anyone is placing 0201 components in volume. If so What pad layout are you using, i.e. pad size, shape and spacing. Also are you pads and fiducials solder mask defined or copper defined. Can you also let me know the rough q
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